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Sunnyvale, CA, United States of America

Stefan Kirchfeld

Average Co-Inventor Count = 6.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 0

Stefan KirchfeldMatthias Kruse (2 patents)Stefan KirchfeldMartin Steiner (2 patents)Stefan KirchfeldMichael Krenkler (1 patent)Stefan KirchfeldEmil Voutta (1 patent)Stefan KirchfeldIoannis Grammatikakis (1 patent)Stefan KirchfeldFlorian Jann (1 patent)Stefan KirchfeldDirk Wodtke (1 patent)Stefan KirchfeldAnnette Jann (1 patent)Stefan KirchfeldKai Richter (1 patent)Stefan KirchfeldSean Doyle (1 patent)Stefan KirchfeldTzanko Stefanov (1 patent)Stefan KirchfeldMaria Cabahug (1 patent)Stefan KirchfeldStefan Kirchfeld (2 patents)Matthias KruseMatthias Kruse (6 patents)Martin SteinerMartin Steiner (4 patents)Michael KrenklerMichael Krenkler (31 patents)Emil VouttaEmil Voutta (25 patents)Ioannis GrammatikakisIoannis Grammatikakis (25 patents)Florian JannFlorian Jann (23 patents)Dirk WodtkeDirk Wodtke (15 patents)Annette JannAnnette Jann (14 patents)Kai RichterKai Richter (13 patents)Sean DoyleSean Doyle (4 patents)Tzanko StefanovTzanko Stefanov (3 patents)Maria CabahugMaria Cabahug (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sap Se (2 from 5,919 patents)


2 patents:

1. 10986045 - Integration hub

2. 10534635 - Personal digital assistant

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as of
12/27/2025
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